1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 *
3 * ***** BEGIN LICENSE BLOCK *****
4 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 *
6 * The contents of this file are subject to the Mozilla Public License Version
7 * 1.1 (the "License"); you may not use this file except in compliance with
8 * the License. You may obtain a copy of the License at
9 * http://www.mozilla.org/MPL/
10 *
11 * Software distributed under the License is distributed on an "AS IS" basis,
12 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 * for the specific language governing rights and limitations under the
14 * License.
15 *
16 * The Original Code is Mozilla Communicator client code, released
17 * March 31, 1998.
18 *
19 * The Initial Developer of the Original Code is
20 * Netscape Communications Corporation.
21 * Portions created by the Initial Developer are Copyright (C) 1998
22 * the Initial Developer. All Rights Reserved.
23 *
24 * Contributor(s):
25 *
26 * Alternatively, the contents of this file may be used under the terms of
27 * either of the GNU General Public License Version 2 or later (the "GPL"),
28 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 * in which case the provisions of the GPL or the LGPL are applicable instead
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34 * and other provisions required by the GPL or the LGPL. If you do not delete
35 * the provisions above, a recipient may use your version of this file under
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37 *
38 * ***** END LICENSE BLOCK ***** */
40 #ifndef jsbool_h___
41 #define jsbool_h___
42 /*
43 * JS boolean interface.
44 */
46 JS_BEGIN_EXTERN_C
48 /*
49 * Crypto-booleans, not visible to script but used internally by the engine.
50 *
51 * JSVAL_HOLE is a useful value for identifying a hole in an array. It's also
52 * used in the interpreter to represent "no exception pending". In general it
53 * can be used to represent "no value".
54 */
55 #define JSVAL_HOLE BOOLEAN_TO_JSVAL(2)
57 extern JSClass js_BooleanClass;
59 extern JSObject *
60 js_InitBooleanClass(JSContext *cx, JSObject *obj);
62 extern JSObject *
63 js_BooleanToObject(JSContext *cx, JSBool b);
65 extern JSString *
66 js_BooleanToString(JSContext *cx, JSBool b);
68 extern JSBool
69 js_ValueToBoolean(JSContext *cx, jsval v, JSBool *bp);
71 JS_END_EXTERN_C
73 #endif /* jsbool_h___ */